package java_1_12.book_management.user;

import java_1_12.book_management.operation.IOperation;
import java_1_12.book_management.operation.impl.*;

import java.util.Scanner;

//管理员
public class AdminUser extends User{
    private Scanner scanner=new Scanner(System.in);
    public AdminUser(String name){
        this.name=name;
        this.operations=new IOperation[]{
                //增加书籍
                new AddOperation(),
                //删除书籍
                new DelOperation(),
                //更新书籍
                new UpdateOperation(),
                //查询书籍
                new FindOperation(),
                //展示当前书籍列表
                new DisplayAllBooks()
        };
    }

    /**
     * 此处返回值标识用户选择了菜单中哪个选项
     * @return
     */
    @Override
    public int menu() {
        System.out.println("----------------------------------");
        System.out.println("欢迎"+this.name+"登录图书管理系统");
        System.out.println("1.添加书籍");
        System.out.println("2.删除书籍");
        System.out.println("3.更新书籍");
        System.out.println("4.查询书籍");
        System.out.println("5.展示当前书籍列表");
        System.out.println("-1.退出");
        System.out.println("请输入您的选择");
        int choice=scanner.nextInt();
        if(choice==-1){
            //关闭输入
            scanner.close();
        }
        System.out.println("--------------------------------------");
        return choice;
    }
}
